# CAMS - Access and Login

**URL:** https://forum.ecmwf.int/c/access-and-login/cams-access-and-login/10.md

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## [About the CAMS - Access and Login category](https://forum.ecmwf.int/t/about-the-cams-access-and-login-category/16)

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**Author:** [@Frank\_Lieber](https://forum.ecmwf.int/u/Frank_Lieber)\
**Replies:** 0

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For discussions about access to Copernicus Atmosphere Monitoring Service (CAMS) products and services

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## [HTTP error \[503 Service Unavailable\]](https://forum.ecmwf.int/t/http-error-503-service-unavailable/12577)

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**Author:** [@Angela\_Mynard](https://forum.ecmwf.int/u/Angela_Mynard)\
**Replies:** 1\
**Last updated:** [10 April 2025 07:41 UTC](https://forum.ecmwf.int/t/http-error-503-service-unavailable/12577 "2025-04-10T07:41:21Z")

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The above error is being received when trying to download CAMS Forecast data via api. The same script was downloading data OK earlier on today. Are there issues anywhere? Nothing in Announcements. Thanks! Error message…

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## [Cannot find data set error](https://forum.ecmwf.int/t/cannot-find-data-set-error/11647)

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**Author:** [@haoliang\_chen](https://forum.ecmwf.int/u/haoliang_chen)\
**Replies:** 2\
**Last updated:** [28 February 2025 01:45 UTC](https://forum.ecmwf.int/t/cannot-find-data-set-error/11647 "2025-02-28T01:45:41Z")

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Hi, I’m trying to use ADS data, I have save the right ADS url and key in the .cdsapirc file and reinstall cdsapi. But each time when query the data, it seems that the error messages still direct to link to cds link. er…

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## [CAMS Global Reanalysis (EAC4) estimated release date for Jan–Jun 2024?](https://forum.ecmwf.int/t/cams-global-reanalysis-eac4-estimated-release-date-for-jan-jun-2024/10795)

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**Author:** [@Reiner\_Schlotte](https://forum.ecmwf.int/u/Reiner_Schlotte)\
**Replies:** 0\
**Last updated:** [13 January 2025 10:11 UTC](https://forum.ecmwf.int/t/cams-global-reanalysis-eac4-estimated-release-date-for-jan-jun-2024/10795 "2025-01-13T10:11:32Z")

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Hi, is there a target date available for the EAC4 data from Jan–Jun 2024 to be published on the ADS? The answer has some influence on our project plan. Thanks in advance! Reiner

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## [ADS performance degradation?](https://forum.ecmwf.int/t/ads-performance-degradation/7160)

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**Author:** [@Igor\_Oliveira](https://forum.ecmwf.int/u/Igor_Oliveira)\
**Replies:** 6\
**Last updated:** [4 November 2024 11:26 UTC](https://forum.ecmwf.int/t/ads-performance-degradation/7160 "2024-11-04T11:26:17Z")

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Hi all, I have noticed a significant degradation in performance of the CAMS data downloads. In the plot below you can see the duration of requests in the past few days for a specific request I normally do. Is there an…

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## [HTTPError: 404 Client Error: Not Found for url](https://forum.ecmwf.int/t/httperror-404-client-error-not-found-for-url/6934)

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**Author:** [@Ondrej\_Vlcek](https://forum.ecmwf.int/u/Ondrej_Vlcek)\
**Replies:** 2\
**Last updated:** [16 October 2024 12:20 UTC](https://forum.ecmwf.int/t/httperror-404-client-error-not-found-for-url/6934 "2024-10-16T12:20:56Z")

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Hi, I am trying to use the following code for download cams data: #!/usr/bin/python3.9 import cdsapi dataset = "cams-europe-air-quality-forecasts" request = { "variable": \[ "particulate\_matter\_10um", \]…

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## [How to download PM2.5 emission in GFAS?](https://forum.ecmwf.int/t/how-to-download-pm2-5-emission-in-gfas/1055)

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**Author:** [@Katsushige\_Uranishi](https://forum.ecmwf.int/u/Katsushige_Uranishi)\
**Replies:** 0\
**Last updated:** [26 September 2023 06:28 UTC](https://forum.ecmwf.int/t/how-to-download-pm2-5-emission-in-gfas/1055 "2023-09-26T06:28:39Z")

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Hi, everyone. I am trying to get PM2.5 emission data in GFAS inventory using the CDS API. However, it is not possible to download PM2.5 emission only, although other emission data has been downloaded. The error messag…

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## [CAMS global greenhouse gas reanalasys (EGG4) (3-hourly) avaibility after 2020](https://forum.ecmwf.int/t/cams-global-greenhouse-gas-reanalasys-egg4-3-hourly-avaibility-after-2020/1292)

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**Author:** [@Marine\_Claeys](https://forum.ecmwf.int/u/Marine_Claeys)\
**Replies:** 0\
**Last updated:** [15 September 2023 08:44 UTC](https://forum.ecmwf.int/t/cams-global-greenhouse-gas-reanalasys-egg4-3-hourly-avaibility-after-2020/1292 "2023-09-15T08:44:40Z")

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Will EGG4 data be available for the year 2021 ?

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## [Unexpected coordinates - CAMS global forecast from CDS with restricted area](https://forum.ecmwf.int/t/unexpected-coordinates-cams-global-forecast-from-cds-with-restricted-area/1063)

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**Author:** [@Shaked\_Friedman](https://forum.ecmwf.int/u/Shaked_Friedman)\
**Replies:** 2\
**Last updated:** [31 July 2022 08:21 UTC](https://forum.ecmwf.int/t/unexpected-coordinates-cams-global-forecast-from-cds-with-restricted-area/1063 "2022-07-31T08:21:40Z")

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I used the CDS app web interface to fetch CAMS global forecast data, but the data I got was on a grid which didn't match what I expected. It seems that the new data I got from CDS was for some reason shifted so that the…

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## [An internal error occurred processing your request - Reason: must be str, not int](https://forum.ecmwf.int/t/an-internal-error-occurred-processing-your-request-reason-must-be-str-not-int/1359)

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**Author:** [@Aidan\_Breen](https://forum.ecmwf.int/u/Aidan_Breen)\
**Replies:** 0\
**Last updated:** [13 July 2022 13:42 UTC](https://forum.ecmwf.int/t/an-internal-error-occurred-processing-your-request-reason-must-be-str-not-int/1359 "2022-07-13T13:42:05Z")

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Update: The issue seems to be resolved. Hi, I have just encountered an issue making requests to the CDS API for the CAMS solar radiation time-series product. The issue occurs both from my code (using python cdsapi pac…

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## [Unexplained behaviour for the cams-global-atmospheric-composition-forecasts requests](https://forum.ecmwf.int/t/unexplained-behaviour-for-the-cams-global-atmospheric-composition-forecasts-requests/1567)

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**Author:** [@Petru\_Bogdan\_Petresc](https://forum.ecmwf.int/u/Petru_Bogdan_Petresc)\
**Replies:** 1\
**Last updated:** [22 June 2022 13:46 UTC](https://forum.ecmwf.int/t/unexplained-behaviour-for-the-cams-global-atmospheric-composition-forecasts-requests/1567 "2022-06-22T13:46:01Z")

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I am performing a request (please see the details below). If I hit the right bounding-box, the processing is instantaneous. If, however, I change a little my request, reducing the bounding-box by one degree (West fr…

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## [CAMS Global Reanalysis (EAC4) estimated release date for Jan–Jun 2021?](https://forum.ecmwf.int/t/cams-global-reanalysis-eac4-estimated-release-date-for-jan-jun-2021/1558)

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**Author:** [@Jared\_Lee](https://forum.ecmwf.int/u/Jared_Lee)\
**Replies:** 7\
**Last updated:** [14 March 2022 13:51 UTC](https://forum.ecmwf.int/t/cams-global-reanalysis-eac4-estimated-release-date-for-jan-jun-2021/1558 "2022-03-14T13:51:04Z")

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Hi, I'm just curious if there's a target date for the EAC4 data from Jan–Jun 2021 to be made available for download on the ADS. Our research group is eager to download it as soon as it's available. Thanks!

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## [Exception: Resource cams-global-ghg-reanalysis-egg4 not found. Please help with this error. I am not able to download the data for CAMS GHG emissions](https://forum.ecmwf.int/t/exception-resource-cams-global-ghg-reanalysis-egg4-not-found-please-help-with-this-error-i-am-not-able-to-download-the-data-for-cams-ghg-emissions/1429)

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**Author:** [@Vinayak\_Huggannavar](https://forum.ecmwf.int/u/Vinayak_Huggannavar)\
**Replies:** 1\
**Last updated:** [2 January 2022 13:19 UTC](https://forum.ecmwf.int/t/exception-resource-cams-global-ghg-reanalysis-egg4-not-found-please-help-with-this-error-i-am-not-able-to-download-the-data-for-cams-ghg-emissions/1429 "2022-01-02T13:19:00Z")

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Exception: Resource cams-global-ghg-reanalysis-egg4 not found. Please help with this error. I am not able to download the data for CAMS GHG emissions

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## [Cams-radiation-service Web service failed with error message: Failed to execute WPS process \[get\_cams\_radiation\]:](https://forum.ecmwf.int/t/cams-radiation-service-web-service-failed-with-error-message-failed-to-execute-wps-process-get-cams-radiation/1559)

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**Author:** [@Robert\_Witteck](https://forum.ecmwf.int/u/Robert_Witteck)\
**Replies:** 4\
**Last updated:** [10 November 2021 17:42 UTC](https://forum.ecmwf.int/t/cams-radiation-service-web-service-failed-with-error-message-failed-to-execute-wps-process-get-cams-radiation/1559 "2021-11-10T17:42:23Z")

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Hello. I'm trying to process data from the http://www.soda-pro.com/web-services/radiation/cams-radiation-service Although I'm register and logged into my account I cannot acces the data and receive the following error. …

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## [Is there a way to download CAMS data without the 5 days delay limit?](https://forum.ecmwf.int/t/is-there-a-way-to-download-cams-data-without-the-5-days-delay-limit/1624)

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**Author:** [@Marie-France\_LARIF](https://forum.ecmwf.int/u/Marie-France_LARIF)\
**Replies:** 0\
**Last updated:** [19 October 2021 07:29 UTC](https://forum.ecmwf.int/t/is-there-a-way-to-download-cams-data-without-the-5-days-delay-limit/1624 "2021-10-19T07:29:54Z")

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We use CAMS data as input to processing chains, to generate value-added products from Sentinel2A L1C. Since 30 June 2021, the ECMWF public web API service has been replaced by a new API on ADS. The access to CAMS data u…

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## [Effect of ad blockers on the Atmosphere Data Store (ADS)](https://forum.ecmwf.int/t/effect-of-ad-blockers-on-the-atmosphere-data-store-ads/804)

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**Author:** [@Anabelle](https://forum.ecmwf.int/u/Anabelle)\
**Replies:** 0\
**Last updated:** [29 April 2020 16:33 UTC](https://forum.ecmwf.int/t/effect-of-ad-blockers-on-the-atmosphere-data-store-ads/804 "2020-04-29T16:33:59Z")

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Please be aware that ADS web pages could have rendering problems. This is due to ad blocker plug-ins. To resolve this issue, we suggest users to turn off the plug-in. Copernicus Support team
